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Merge pull request #381 from gyuho/add-user-role
*: add user/role subcommands
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,196 @@ | ||
| /* | ||
| Copyright 2021 by the contributors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/manifoldco/promptui" | ||
| "github.com/spf13/cobra" | ||
| "k8s.io/client-go/kubernetes" | ||
| restclient "k8s.io/client-go/rest" | ||
| "k8s.io/client-go/tools/clientcmd" | ||
| clientcmd_api "k8s.io/client-go/tools/clientcmd/api" | ||
| "sigs.k8s.io/aws-iam-authenticator/pkg/config" | ||
| "sigs.k8s.io/aws-iam-authenticator/pkg/mapper/configmap/client" | ||
| "sigs.k8s.io/yaml" | ||
| ) | ||
|
|
||
| var addCmd = &cobra.Command{ | ||
| Use: "add", | ||
| Short: "add IAM entity to an existing aws-auth configmap", | ||
| } | ||
|
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| var addUserCmd = &cobra.Command{ | ||
| Use: "user", | ||
| Short: "add a user entity to an existing aws-auth configmap, not for CRD/file backends", | ||
| Long: "NOTE: this does not currently support the CRD and file backends", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| if userARN == "" || userName == "" || len(groups) == 0 { | ||
| fmt.Printf("invalid empty value in userARN %q, username %q, groups %q", userARN, userName, groups) | ||
| os.Exit(1) | ||
| } | ||
|
|
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| checkPrompt(fmt.Sprintf("add userarn %s, username %s, groups %s", userARN, userName, groups)) | ||
| cli := createClient() | ||
|
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| cm, err := cli.AddUser(&config.UserMapping{ | ||
| UserARN: userARN, | ||
| Username: userName, | ||
| Groups: groups, | ||
| }) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| os.Exit(1) | ||
| } | ||
|
|
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| b, err := yaml.Marshal(cm) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| os.Exit(1) | ||
| } | ||
| fmt.Printf("updated configmap:\n\n%s\n", string(b)) | ||
| }, | ||
| } | ||
|
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| var addRoleCmd = &cobra.Command{ | ||
| Use: "role", | ||
| Short: "add a role entity to an existing aws-auth configmap, not for CRD/file backends", | ||
| Long: "NOTE: this does not currently support the CRD and file backends", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| if roleARN == "" || userName == "" || len(groups) == 0 { | ||
| fmt.Printf("invalid empty value in rolearn %q, username %q, groups %q", roleARN, userName, groups) | ||
| os.Exit(1) | ||
| } | ||
|
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| checkPrompt(fmt.Sprintf("add rolearn %s, username %s, groups %s", roleARN, userName, groups)) | ||
| cli := createClient() | ||
|
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| cm, err := cli.AddRole(&config.RoleMapping{ | ||
| RoleARN: roleARN, | ||
| Username: userName, | ||
| Groups: groups, | ||
| }) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| os.Exit(1) | ||
| } | ||
|
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| b, err := yaml.Marshal(cm) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| os.Exit(1) | ||
| } | ||
| fmt.Printf("updated configmap:\n\n%s\n", string(b)) | ||
| }, | ||
| } | ||
|
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| func checkPrompt(action string) { | ||
| if !prompt { | ||
| return | ||
| } | ||
|
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| msg := fmt.Sprintf("Ready to add %q, should we continue?", action) | ||
| prompt := promptui.Select{ | ||
| Label: msg, | ||
| Items: []string{ | ||
| "No, cancel it!", | ||
| fmt.Sprintf("Yes, let's add %q!", action), | ||
| }, | ||
| } | ||
| idx, answer, err := prompt.Run() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| if idx != 1 { | ||
| fmt.Printf("cancelled %q [index %d, answer %q]\n", action, idx, answer) | ||
| os.Exit(0) | ||
| } | ||
| } | ||
|
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| func createClient() client.Client { | ||
| if kubeconfigPath == "" { | ||
| fmt.Println("empty kubeconfig") | ||
| os.Exit(1) | ||
| } | ||
|
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| var kcfg *restclient.Config | ||
| var err error | ||
| if kubeconfigContext != "" { | ||
| kcfg, err = clientcmd.NewNonInteractiveDeferredLoadingClientConfig( | ||
| &clientcmd.ClientConfigLoadingRules{ | ||
| ExplicitPath: kubeconfigPath, | ||
| }, | ||
| &clientcmd.ConfigOverrides{ | ||
| CurrentContext: kubeconfigContext, | ||
| ClusterInfo: clientcmd_api.Cluster{Server: masterURL}, | ||
| }, | ||
| ).ClientConfig() | ||
| } else { | ||
| kcfg, err = clientcmd.BuildConfigFromFlags(masterURL, kubeconfigPath) | ||
| } | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| } | ||
| if kcfg == nil { | ||
| defaultConfig := clientcmd.DefaultClientConfig | ||
| kcfg, err = defaultConfig.ClientConfig() | ||
| if kcfg == nil || err != nil { | ||
| fmt.Printf("failed to create config from defaults %v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
| clientset, err := kubernetes.NewForConfig(kcfg) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| os.Exit(1) | ||
| } | ||
|
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| return client.New(clientset.CoreV1().ConfigMaps("kube-system")) | ||
| } | ||
|
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| var ( | ||
| prompt bool | ||
| masterURL string | ||
| kubeconfigPath string | ||
| kubeconfigContext string | ||
|
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| userARN string | ||
| userName string | ||
| groups []string | ||
| roleARN string | ||
| ) | ||
|
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| func init() { | ||
| rootCmd.AddCommand(addCmd) | ||
| addCmd.AddCommand(addUserCmd) | ||
| addCmd.AddCommand(addRoleCmd) | ||
|
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| addCmd.PersistentFlags().BoolVar(&prompt, "prompt", true, "'false' to disable prompt'") | ||
| addCmd.PersistentFlags().StringVar(&masterURL, "master-url", "", "kube-apiserver URL for creating Kubernetes client") | ||
| addCmd.PersistentFlags().StringVar(&kubeconfigPath, "kubeconfig", "", "kubeconfig file path, if empty, it loads the default config") | ||
| addCmd.PersistentFlags().StringVar(&kubeconfigContext, "kubeconfig-context", "", "kubeconfig context, if empty, it uses the default context") | ||
|
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| addUserCmd.PersistentFlags().StringVar(&userARN, "userarn", "", "A new user ARN") | ||
| addUserCmd.PersistentFlags().StringVar(&userName, "username", "", "A new user name") | ||
| addUserCmd.PersistentFlags().StringSliceVar(&groups, "groups", nil, "A new user groups") | ||
|
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| addRoleCmd.PersistentFlags().StringVar(&roleARN, "rolearn", "", "A new role ARN") | ||
| addRoleCmd.PersistentFlags().StringVar(&userName, "username", "", "A new user name") | ||
| addRoleCmd.PersistentFlags().StringSliceVar(&groups, "groups", nil, "A new role groups") | ||
| } |
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